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Some cosmological models with spin and torsion, I

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Abstract

The Einstein-Cartan theory, which is a slight modification of the general theory of relativity, is almost indistinguishable in its practical consequences from the latter theory. A characteristic spin-spin repulsive interaction which is of some importance at ultraheavy densities, prevents the singularities occurring in the Einstein-Cartan treatment. It is shown how this mechanism of preventing the singularity applies to cosmological models in which the spins of matter are aligned along some symmetry axis. Some exact solutions without singularities of the relevant set of equations are obtained.

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Kuchowicz, B. Some cosmological models with spin and torsion, I. Astrophys Space Sci 39, 157–172 (1976). https://doi.org/10.1007/BF00640517

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